Windows download clean files for sfc scan

Files can become corrupted when you save or copy them, sometimes due to a bug or glitch in the software controlling the file. Otherwise, you may not find out until you try to open the file next time. Here are a few other reasons:. Computer crashes. Crashes can cause corrupt system files, and corrupt system files can cause crashes.

Sudden power outages. Power surges. Use a surge protector to safeguard your computer. Updating errors. This may also occur when installing or reinstalling Windows on your computer. Viruses and other types of malware can corrupt system files as part of their attack strategy. Hard disk problems. Issues in your hard disk — such as when it becomes packed with bloatware and other junk files — can result in files getting jumbled around and corrupted. Clean out your hard disk and reduce the risk of system crashes, update errors, and other common causes of corrupted files with one easy-to-use app.

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Since Windows system files are integral to your OS, any Windows errors — like the notorious blue screen — may be the result of a corrupted file. Corrupted system files can cause the Windows blue screen of death. To check for corrupted files, compare a potentially corrupted file to another file of a similar type. After identifying a potentially corrupted file, try replacing it with a clean copy.

The System File Checker SFC is a built-in Windows repair tool that scans your computer for corrupted Windows system files and attempts to restore any that it finds. Windows Resource Protection could not perform the requested operation. It indicates issues with the system files. Run System File Checker in safe mode to fix this. Windows Resource Protection found corrupt files and successfully repaired them.

Details are included in the CBS. It means that the faulty system files are fixed. You can view details of the System File Checker process. Windows Resource Protection found corrupt files but was unable to fix some of them. It means you will need to repair the corrupted files manually. You can view the details of the System File Checker process to locate the corrupted files and replace them with a known good copy of the file.

Not an IT pro? Windows Client. Sign in. United States English. Ask a question. Quick access. Search related threads. Remove From My Forums. Answered by:. To view the details that included in the CBS. Log file, you can copy the information to the Sfcdetails. To do this, follow these steps:. Note The Sfcdetails. The file includes information about files that were not repaired by the System File Checker tool. Verify the date and time entries to determine the problem files that were found the last time that you ran the System File Checker tool.

How to manually replace a corrupted system file with a known good copy of the file. After you determine which system file was corrupted and could not be repaired through the detail information in the Sfcdetails. To do this, follow these steps: Note You may be able to get a known good copy of the system file from another computer that is running the same version of Windows with your computer. You may perform a System File Checker process on that computer to make sure the system file that you intend to copy is a good copy.

Take administrative ownership of the corrupted system file. To do this, at an elevated command prompt, copy and then paste or type the following command, and then press ENTER:. Grant administrators full access to the corrupted system file. Replace the corrupted system file with a known good copy of the file.